CVE-2018-8859CWE-288

Echelon SmartServer 1 all versions, SmartServer 2 all versions prior to release 4.11.007, i.LON 100 all versions, and i.LON 600 all versions

Critical · published July 24, 2018

CVSS v3.1
9.8
EPSS
2%
Percentile
75.5
In the wild
Unconfirmed
What it is

🚨 A crafty directory name can unlock the entire Echelon SmartServer! Attackers can bypass authentication just by adding some sneaky extra characters. 🔥 Think of it like a restaurant that lets you access the kitchen simply by mispronouncing the dish you ordered – suddenly, you’re behind the scenes where you shouldn’t be! An attacker exploiting this vulnerability could waltz into restricted areas and manipulate settings or data. This could lead to unauthorized access to sensitive configurations, making it an absolute nightmare for network security!

Put simply

Think of it like a restaurant that lets you access the kitchen simply by mispronouncing the dish you ordered – suddenly, you’re behind the scenes where you shouldn’t be! This vulnerability allows an attacker to bypass authentication by appending additional characters in the directory name specified for access, impacting Echelon SmartServer versions and i.LON products except for the i.LON 600 model.

What to do

An attacker exploiting this vulnerability could waltz into restricted areas and manipulate settings or data. This could lead to unauthorized access to sensitive configurations, making it an absolute nightmare for network security! Immediately patch your Echelon SmartServer and i.LON devices to version 4.11.007 or later. Review your security configuration files for any unauthorized access settings and monitor for unusual activity. Don’t delay – secure your devices now! You've got this! With these steps, you can protect your network like a pro! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01592 · 75.5th percentile
Weakness
CWE-288 · Authentication Bypass Using an Alternate Path or Channel
Published
2018-07-24T17:00Z
EPSS history
Timeline
  • 24 JUL 17:00Z
    Echelon SmartServer 1 all versions, SmartServer 2 all versions prior to release 4.11.007, i.LON 100 all versions, and i.LON 600 all versions
    cvelistv5